Ninhydrin is used as a detecting agent for amino acids in chromatography because:

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Chemistry · Chromatography

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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it forms a purple-colored complex with amino acids, making them easy to distinguish.

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Answer 1

it is unreactive towards amino acids.

Answer 2

it is visible under UV light only.

Answer 3

it forms a purple-colored complex with amino acids, making them easy to distinguish.

Answer 4

it is eluted at the same time as amino acids and detected simultaneously.

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